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Photo taken on June 14, 2019 shows a media pre-show of 3D laser projection mapping held at Wat Rong Khun, or known as White Temple, in Thailand's Chiang Rai province. (Xinhua)

Photo taken on June 14, 2019 shows a media pre-show of 3D laser projection mapping held at Wat Rong Khun, or known as White Temple, in Thailand's Chiang Rai province. (Xinhua)